Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

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Last Map Update: Mon, Dec 8, 2025 at 8:24:56 pm EST

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

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Tonight

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Smoky Mtn Observations

Behind this departing system, clearing conditions return with cold air sticking around this week. No major impacts for our area, but there will be a chance of rain on Wednesday night with a quick moving cold front.

Light snow accumulations are expected in the east Tennessee Mountains, which may impact driving through Monday evening. Dry weather with warmer temperatures are expected Tuesday and Wednesday, before another cold front moves through towards the weekend.

Each observation point is apart of our COOP program (Cooperative Observer Program). Each site has a 24 hour observation period that ends and begins at 8 am local time. Each site records temperature, precipitation, and snowfall data. More information about the COOP program can be found here www.nws.noaa.gov/om/coop/ Data began being collected at: Cades Cover on 01/01/1999 || Mount LeConte on 07/01/1987 || Newfound Gap on 01/01/1991 || Sugarlands Visitor Center on 12/01/1921

Current Weather Observations...

Location	Time (EST)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Abingdon VA	20:15	Light Snow	10	30	26	86	NW 12	19 [WC]	30.14
Andrews-Murphy NC	19:59	Overcast	10	35	30	80	NNE 3	-	30.15
Chattanooga TN	19:53	Overcast	10	39	30	69	NW 12	31 [WC]	30.22
Crossville TN	19:53	Overcast	9	31	29	92	NNE 8	23 [WC]	30.19
Dalton GA	20:15	Overcast	10	40	35	80	NNW 12	32 [WC]	30.22
Knoxville TN (McGhee-Tyson)	19:53	Overcast	10	37	31	78	N 10	29 [WC]	30.19
Middlesboro KY	19:55	Overcast	10	33	30	87	N 5	28 [WC]	30.23
Monroe Cnty TN	20:15	Overcast	10	35	33	93	NNW 9	27 [WC]	30.20
Morristown TN	20:15	Overcast	10	35	35	100	N 5	30 [WC]	30.19
Oak Ridge TN	20:08	Overcast	10	37	29	72	VRB 3	-	30.23
Tazewell Cnty VA	20:15	Light Snow	7	25	24	98	NW 5	18 [WC]	30.14
Tri-Cities TN	20:18	Overcast	9	34	30	85	N 5	29 [WC]	30.18
Wise VA	20:15	Freezing Fog	less than 1/4	24	24	100	NNW 3	-	30.15
Greeneville, TN	20:15	Overcast	10	33	32	93	WNW 6	27 [WC]	30.16

Local Weather History For December 8th...

Snow and ice fell across eastern US in 1989. 7" of snow fell in parts of VA, rain fell in east
TN.


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Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

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